CN219452462U

CN219452462U - Suspension type axial fan additional strengthening

Info

Publication number: CN219452462U
Application number: CN202320864578.6U
Authority: CN
Inventors: 邓呈军; 袁小林; 黎光健; 豆丽花
Original assignee: Chengdu Changjiang Boiler Thermal Energy Equipment Manufacturing Co ltd
Current assignee: Chengdu Changjiang Boiler Thermal Energy Equipment Manufacturing Co ltd
Priority date: 2023-04-18
Filing date: 2023-04-18
Publication date: 2023-08-01
Anticipated expiration: 2033-04-18

Abstract

A suspension type axial flow fan reinforcing structure comprises an upper reinforcing unit, a middle interlayer and a lower reinforcing unit. The upper reinforcing unit comprises a main frame and an air duct, and a pair of extension plates are respectively arranged at the lower ends of two sides of the main frame. The middle interlayer is arranged at the lower end of the air duct and comprises two pairs of steel frame parts. The lower reinforcing unit is arranged at the lower end of the main frame and comprises a pair of transverse supporting rods assembled at the lower end of the air duct, two inclined supporting rods are respectively arranged at two ends of each transverse supporting rod, and one end face of the upper part of each inclined supporting rod is assembled on one side face of the extension plate. The suspension type axial flow fan reinforcing structure can improve the installation and use stability of the suspension fan in the air cooling equipment.

Description

Suspension type axial fan additional strengthening

Technical Field

The utility model relates to the technical field of air cooling equipment structures, in particular to a suspension type axial flow fan reinforcing structure.

Background

The air cooling equipment is generally composed of a pipe box, a fan and other parts, the diameter of an axial flow fan used on the air cooling equipment is larger and larger at present, and the installation stability requirement of the axial flow fan is improved. The existing fan installation mode has two types, the first type is to install the inside of the equipment by sinking the inside of the air duct, the installation mode can increase the outline dimension of the main body part of the equipment, increase the use amount of materials, increase the cost, and the second type is to hang the installation, the outline dimension of the main body part of the air cooling equipment including a pipe box cannot be increased, however, the installation structure and the strength of the fan directly influence the installed fan parameters such as vibration, noise and the like, so that an axial flow fan reinforcing structure which can enable the fan to be stably installed and reduce the vibration and the noise of the equipment is needed under the hanging installation mode.

Disclosure of Invention

In view of the above drawbacks, the present utility model provides a suspension type axial flow fan reinforcing structure, which can improve the installation and use stability of a suspension fan in air cooling equipment.

In order to achieve the object of the present utility model, the following techniques are proposed:

a suspension type axial flow fan reinforcing structure, comprising:

the upper reinforcing unit comprises a main frame and an air duct, and a pair of extension plates are respectively arranged at the lower ends of two sides of the main frame;

the middle interlayer is arranged at the lower end of the air duct and comprises two pairs of steel frame parts;

the lower reinforcing unit is arranged at the lower end of the main frame and comprises a pair of transverse supporting rods assembled at the lower end of the air duct, two inclined supporting rods are respectively arranged at two ends of each transverse supporting rod, and one end face of the upper part of each inclined supporting rod is assembled on one side face of the extension plate.

Further, a first reinforcing rib is arranged between the extension plate and the lower end face of the main frame.

Further, a plurality of second reinforcing ribs are arranged on the periphery side of the air duct.

Further, the lower end of the main frame is also provided with four supporting legs.

Further, a bottom plate is arranged below the supporting legs.

Further, the middle interlayer further comprises a pair of circular arc gaskets, and each pair of steel frame components are respectively arranged at the lower ends of the circular arc gaskets.

Further, a plurality of reinforcing struts are arranged between the transverse struts.

Further, a pair of transverse connecting rods respectively arranged at the two ends are arranged between the transverse supporting rods, and the transverse connecting rods are also assembled at the lower end of the air duct.

Further, the included angle between the outer inclined surface of the inclined support rod and the horizontal plane is 35-55 degrees.

The beneficial effects of this technical scheme lie in:

1. the weight of the fan is dispersed to the transverse supporting rod and the inclined supporting rod, so that the suspension type axial flow fan reinforcing structure can improve the stability of the suspension fan in the air cooling equipment during installation and use.

2. The stability of the axial flow fan is improved, the vibration can be further reduced, and the running noise is further reduced.

3. Simple structure, can not increase the material use amount by a large amount.

Drawings

Fig. 1 shows an overall perspective view of an embodiment of the present application from below and without showing the legs, floor.

Fig. 2 shows an exploded view of the reinforcement unit in an embodiment of the present application.

Fig. 3 shows an exploded view of the interlayer in an embodiment of the present application.

Fig. 4 shows an exploded view of the reinforcement unit under an embodiment of the present application.

Fig. 5 shows an enlarged view of portion a of fig. 1 in an embodiment of the present application.

Fig. 6 shows a partial cross-sectional structural view of a circular arc gasket according to an embodiment of the present application.

Fig. 7 shows an overall perspective view of an embodiment of the present application.

Detailed Description

The present application is further described below with reference to the drawings and examples.

The reinforcing structure of the suspension type axial flow fan shown in fig. 1-7 comprises an upper reinforcing unit 1, a middle interlayer 2 and a lower reinforcing unit 3.

The upper reinforcing unit 1 comprises a main frame 11 for bearing an air cooling equipment pipe box and an air duct 14 for bearing an air cooling equipment fan, wherein a pair of welded extension plates 12 are respectively arranged at the lower ends of two sides of the main frame 11, a pair of first through holes are formed in the side faces of the extension plates 12, a first reinforcing rib 13 is further arranged between the extension plates 12 and the lower end face of the main frame 11, a plurality of second reinforcing ribs 15 are arranged on the periphery side of the air duct 14, two pairs of second through holes are further formed in the outward extending part of the lower end face of the air duct 14, four supporting legs 16 are further arranged at the lower end of the main frame 11, a bottom plate 17 is arranged below the supporting legs 16, the ratio of the bottom surface area of the bottom plate 17 to the bottom surface area of the supporting legs 16 is 4:1-16:1, and the larger bottom plate 17 area can increase stability.

The middle interlayer 2 is arranged at the lower end of the air duct 14, the middle interlayer 2 comprises a pair of circular arc gaskets 21 made of rubber, a space between the two circular arc gaskets 21 is reserved at the position where the second through holes are located, a sponge layer 22 is embedded in the circular arc gaskets 21, the circular arc gaskets 21 made of rubber have a damping effect, vibration is relieved in operation, the sponge layer 22 has a sound absorption effect, noise can be reduced, a pair of steel frame parts 23 are arranged at the lower end of each circular arc gasket 21, each steel frame part 23 comprises a circular arc section 24 matched with the circular arc gasket 21, a first straight section 25 is arranged at one end of each circular arc section 24, a second straight section 26 perpendicular to the first straight section 25 is arranged at one end of each first straight section 25, a bending section 27 is arranged at one end of each second straight section 26, one end of each bending section 27 is connected with the other end of each circular arc section 24, the steel frame parts 23 further comprise reinforcing sheets 28 arranged between the circular arc sections 24 and the second straight sections 26, and the steel frame parts 23 are structured to provide better support for the air duct 14, and the width of the reinforcing sheets 28 can be reduced without affecting air suction of a fan.

The lower reinforcing unit 3 is arranged at the lower end of the main frame 11, the lower reinforcing unit 3 comprises a pair of transverse struts 31, the outer side surfaces of the transverse struts 31 are provided with first empty slots 32, the second straight sections 26 are clamped at the positions, close to the outer sides, of the upper top wall of the first empty slots 32, then the first empty slots 32 are extended out through the bending sections 27, the two end surfaces of the first empty slots 32 are respectively provided with a pair of third through holes, the upper end surfaces of the first empty slots 32 are provided with a pair of fourth through holes matched with the second through holes, the second through holes and the fourth through holes are connected through screws, the transverse struts 31 can be fixed under the wind cylinders 14, a plurality of reinforcing struts 33 and a pair of transverse connecting rods 34 respectively arranged at the two end parts are arranged between the transverse struts 31, the reinforcing struts 33 and the transverse connecting rods 34 can be stably connected with the two transverse struts 31, the stability of the transverse struts 31 is improved, the outer side surfaces of the transverse connecting rods 34 are provided with second empty slots 35, the upper end surface of the second empty groove 35 is provided with a pair of fifth through holes which are matched with the second through holes, the second through holes and the fifth through holes are connected through a screw rod, the transverse connecting rod 34 can be fixed under the air duct 14, the air duct 14 is further supported, two ends of the transverse supporting rod 31 are respectively provided with an inclined supporting rod 36, an included angle between the outer inclined surface of the inclined supporting rod 36 and the horizontal plane is 35-55 degrees, the outer side surface of the inclined supporting rod 36 is provided with a third empty groove 37, one end surface of the lower part of the third empty groove 37 is provided with a sixth through hole matched with the third through holes, the third through holes and the sixth through holes are connected through the screw rod, the inclined supporting rod 36 and the transverse supporting rod 31 can be fixedly connected, one end surface of the upper part of the third empty groove 37 is provided with a seventh through hole matched with the first through holes, and the inclined supporting rod 36 and the extension plate 12 can be fixedly connected through the screw rod and the seventh through the first through holes.

The suspension type axial flow fan reinforcing structure can solve the installation problem of a large suspension type axial flow fan, reduce the overall dimension of equipment, reduce the occupied area, and can not excessively increase the use of production materials, so that less materials are used under the condition of ensuring parameters to meet the strength of design requirements.

The working mode is as follows:

the axial flow fan is installed in the wind tunnel 14, and the pipe box having the pipe is installed on the main frame 11.

In the concrete construction, the installation can be carried out according to the following sequence: the transverse supporting rods 31 and the transverse connecting rods 34 are arranged below the air duct 14, then the air duct 14 is moved to enable two pairs of inclined supporting rods 36 to be positioned at two ends of the transverse supporting rods 31 and corresponding positions on two sides of the extension plate 12, the inclined supporting rods 36 are arranged, and finally cold vulcanization bonding glue bonds the arc gaskets 21 to the lower end of the air duct 14.

The above are only some of the examples listed in this application and are not intended to limit this application.

Claims

1. A suspension type axial flow fan reinforcing structure, characterized by comprising:

the upper reinforcement unit (1) comprises a main frame (11) and a wind barrel (14), and a pair of extension plates (12) are respectively arranged at the lower ends of two sides of the main frame (11);

the middle interlayer (2) is arranged at the lower end of the air duct (14), and the middle interlayer (2) comprises two pairs of steel frame parts (23);

the lower reinforcing unit (3) is arranged at the lower end of the main frame (11), the lower reinforcing unit (3) comprises a pair of transverse supporting rods (31) assembled at the lower end of the air duct (14), two ends of each transverse supporting rod (31) are respectively provided with an inclined supporting rod (36), and one end face of the upper part of each inclined supporting rod (36) is assembled on one side face of the extending plate (12).

2. The structure according to claim 1, characterized in that a first reinforcing rib (13) is further provided between the extension plate (12) and the lower end face of the main frame (11).

3. The structure according to claim 1, wherein the outer peripheral side of the air duct (14) is provided with a plurality of second reinforcing ribs (15).

4. The structure for reinforcing a suspension type axial flow fan according to claim 1, wherein the lower end of the main frame (11) is further provided with four legs (16).

5. The suspension type axial flow fan reinforcing structure according to claim 4, wherein a bottom plate (17) is provided below the leg (16).

6. The reinforcing structure of a suspension type axial flow fan according to claim 1, wherein the middle layer (2) further comprises a pair of circular arc gaskets (21), and each pair of steel frame parts (23) is respectively arranged at the lower end of one circular arc gasket (21).

7. The suspension type axial flow fan reinforcing structure according to claim 1, wherein a plurality of reinforcing struts (33) are provided between the cross struts (31).

8. The structure according to claim 1, wherein a pair of cross links (34) are provided between the cross struts (31) and are provided at both ends, respectively, and the cross links (34) are also fitted to the lower end of the duct (14).

9. The structure of claim 1, wherein the angle between the outer slope of the inclined strut (36) and the horizontal plane is 35 ° to 55 °.